Massachusetts Department of Transportation crews were treating roads all weekend, but Monday's bitter cold means there will be icy spots.

A Massachusetts State Police trooper was injured in an icy crash on Route 128 in Dedham Sunday night. The trooper's cruiser collided with another vehicle. Neither driver was said to be seriously injured.

Lawyers for Boston Marathon bomber Dzkokhar Tsarnaev rested their case in his federal death penalty trial Tuesday after presenting a brief case aimed at showing his late older brother was the mastermind of the 2013 terror attack.